The Lock Washer is the lowest priced item on this Rh Handle Switch (gs750b) schematic.
A sample from the products for the Rh Handle Switch (gs750b) include: Nut,lever Fittng, Grip,throttle, Lock Washer, Lever Assembly,brake.
With all the components that make up the GS750EN 1977 (B) USA (E03) RH HANDLE SWITCH (GS750B) assembly. The 02112-05257 is the most frequently specified with two applications.